Threshold resummed spectra in semi-inclusive B decays

Abstract

I discuss some aspects of the universality of soft gluon dynamics in semileptonic and radiative decays at the threshold region.

Comments: Contribution to the Proceedings of the XLIrst Rencontres de Moriond, QCD and High Energy Hadronic Interactions, La Thuile, Italy, March 18-25, 2006